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ClaferMPS

v0.4.4.4

JetBrains Meta-Programming System (MPS) support for Clafer and architectural modeling.

Clafer is a general-purpose lightweight structural modeling language developed by GSD Lab, University of Waterloo, and MODELS group at IT University of Copenhagen. Clafer can be used for modeling of static hierarchical structures but it has no support for modeling the change of the structures over time (behavior). The main goal of Clafer is to make modeling more accessible to a wider range of users and domains.

Contributors

Features

ClaferMPS consists of three languages: Clafer, Architecture DSL, and milestones. Architecture DSL extends Clafer with automotive concepts from a reference model for early architecture exploration used in case studies by Jordan Ross (models from these case studies are available for download). The milestones language is useful for tagging model elements with milestones and viewing versions of the model across ranges of milestones.

  • Clafer 0.4.4
    • a smart structured editor with autocompletion and many intentions,
    • type system,
    • module system,
    • generator of plain-text Clafer.
  • Architecture DSL
    • based on a reference model which is an adaptation of EAST-ADL, including technical feature model, functional analysis architecture, hardware design architecture, and separate functional to hardware architecture deployment specification (details in technical report),
    • separate definition of quality attributes,
    • editable textual and graphical projections,
    • semantic error checking according to the reference model,
    • generation of plain Clafer separate for every module with and without the quality attributes.

Planned Features

  • integration of the backend reasoners and display of the results as textual or graphical models

Installation

mbeddr IDE

On Windows and Mac, mbeddr IDE can be installed using an installer. For Linux, see the next section "MPS + mbeddr plugins". We tested with pre-release nightly-253-MPS-3.3.5.

  1. Download and install mbeddr-win-setup.exe for Windows or mbeddr-macos.dmg for Mac from mbeddr releases to some <mbeddr directory>.
    • no need to install the third-party components
  2. Depending on whether you want to install released or development versions
    • for a released version, download ClaferMPS org.clafer.all-0.4.4.4.zip from ClaferMPS releases and unpack the contents to <mbeddr directory> (the folder plugins from the archive must be merged with the folder <mbeddr directory>/plugins).
    • for a development version, go to ClaferMPS (development version).

ClaferMPS (development version)

  • NOTE: if there during the build you get an error cannot save files run mbeddr in priviledged mode (on Windows, Run as Administrator)
  • NOTE: in case of severe problems click on File->Invalidate Caches / Restart, and select Invalidate and Restart

  1. In some <target directory>, clone the GitHub repository using the command

    • git clone https://github.com/gsdlab/ClaferMPS.git -b develop

  2. Run MPS/mbeddr IDE

    • allow network access through the firewall
    • ignore all issues related to version control (VCS) and Git

  3. Without having any project open, click on Settings

    • in the search window, type Global and open the Global Libraries section
    • press + to add a new global library clafer and give it a value <targed directory>/ClaferMPS

  4. Open Project

    • choose <target directory>/ClaferMPS/code/languages/org.clafer.mps and press This Window
    • if mbeddr asks to perform migration, it is usually safe to do so
    • open Logical project view using <alt>+1

  5. In the Logical View

    • in org.clafer.mps execute Rebuild Selected Modules from the context menu
    • if there's one error (in _spreferences), ignore it by pressing Ignore Errors

MPS + mbeddr plugins

This method works on all platforms supported by MPS, including Linux.

  1. Download and install JetBrains Meta Programming System (MPS) v3.3.5 (build 143.1301) to some <MPS directory>.

    • On Windows, install MPS to a location without spaces, e.g., c:\Programs\MPS3.3
    • Important, start and close MPS before proceeding to step 2.

  2. Download com.mbeddr.allInOne.zip nightly-253-MPS-3.3.5 and unpack the contents to <MPS directory> (the folder plugins from the archive must be merged with the folder <MPS directory>/plugins).

  3. Depending on whether you want to install released or development versions

    • for a released version, download ClaferMPS org.clafer.all-0.4.4.4.zip from ClaferMPS releases and unpack the contents to <MPS directory> (the folder plugins from the archive must be merged with the folder <MPS directory>/plugins).
    • for a development version, resume ClaferMPS (development version) from the previous section.

MPS + building mbeddr from source

This method is suitable when working with the latest development versions of mbeddr (on branch master and ClaferMPS on branch develop).

  1. Download and install JetBrains Meta Programming System (MPS) v3.3.5 (build 143.1301) to some <MPS directory>.

    • On Windows, install MPS to a location without spaces, e.g., c:\Programs\MPS3.3
    • Important, start and close MPS before proceeding to step 2.

  2. Download and install mbeddr

    • Follow the instructions; however, you may skip "Gcc, Make and Gdb", "Graphviz", "Verification Tools" sections
      • Proceed to "mbeddr Source Installation"
        • in some <target directory>, clone mbeddr.core repository using git clone https://github.com/mbeddr/mbeddr.core.git --depth 10 -b stable to avoid downloading the complete history
        • in the build.properties file, always use /, even on Windows. For example, mps.home=c:/Programs/MPS3.3.
      • For the Global Libraries settings, add two libraries
        • mbeddr.core and give it a value <target directory>/code/languages
        • mbeddr.plugins and give it a value <target directory>/code/plugins

  3. Depending on whether you want to install released or development versions

    • for a released version, download ClaferMPS org.clafer.all-0.4.4.4.zip from ClaferMPS releases and unpack the contents to <MPS directory> (the folder plugins from the archive must be merged with the folder <MPS directory>/plugins).
    • for a development version, resume ClaferMPS (development version) from the previous section.

Opening the automotive case studies

  1. Download CaseStudies.zip and unzip to some <models directory>.
  2. In MPS, while having ClaferMPS project opened
    • File->Open
    • select <models directory>/CaseStudies
    • choose New Window in the dialog Open Project
  3. Open PowerWindow/PowerWindow/DriverDoor/DriverWinSysFAA.
  4. Select Projection/E/E Architecture Diagrams to switch to a diagrammatic view.

Update

  1. To update mbeddr, execute
    • cd <target directory>/mbeddr.core
    • git pull
    • cd code/languages
    • ./buildLanguages.sh (or .\buildLanguages.bat on Windows)
  2. To update ClaferMPS, execute
    • cd <target directory>/ClaferMPS
    • git pull

Perform Rebuild as in step 6. of the installation.

Usage

MPS is a projectional editor and it requires some getting used to. In particular, the process of editing the model is more structured and guided by the syntax and the type system of the language then compared to more traditional plain text editing. We highly recommend viewing videos and going through basic usage tutorials on the MPS's website.

ClaferMPS is also built on top of mbeddr and we recommend viewing the many materials available there.

Once the project org.clafer.mps is successfully built, Clafer and the Architecture DSL become two of the many languages available within MPS and mbeddr.

Creating a new solution

When creating a new solution in MPS, developers must explicitly choose which languages they will be using.

  • click on Create New Project or File->New->Project
    • choose solution project because we want to use existing languages and not create new ones
  • select your project and in Logical View and select File->Settings
    • in the search box, type global libraries and click on the found settings section
    • Click on Add, type ClaferMPS and point to <target directory>/ClaferMPS/code/languages/
  • r-click on your solution and select New->Model (not the New model command from mbeddr)
    • in the model properties dialog, click on Used languages tab and click on +
    • add org.clafer and org.clafer.architecture

Now you are ready to create the contents of the model.

Using Clafer

In the Logical View, r-click on your model and select New->o.clafer.core->ClafeModule. Give it a name and no imports. Use <tab> and <shift>+<tab> to navigate between name, imports, and the body of the module.

In the body of the module, type

  • BobTheBuilder - to declare a clafer named Bob
  • <enter> - to go to the next line
  • Alice
  • <enter>
  • <tab> - to indent to be able to create a nested clafer
  • likes
  • <space> - to add another part of clafer declaration
  • -> - make it a reference
  • Bob - give the type of the reference
  • <ctrl>+<space> - to complete the name

In general, use <ctrl>+<space> for context-dependent completion. When declaring a clafer, use <space> to move to the next part of clafer definition: it could be a supertype, a reference type, or a multiplicity.

Now, let's change BobTheBuilder into an abstract clafer Person.

  • Place the cursor on BobTheBuilder and edit the name to Person; observe that the target of the reference likes was also updated.
  • Press <alt>+<enter> to invoke intention menu and select Make abstract. Intentions are predefined editing actions.

Now, we want Alice to extend from Person.

  • Place the cursor at the end of Alice, type <space> followed by : to enter a supertype and write Per + <ctrl>+<space> and select Person from the list.

Now, we want Alice to be able to be able to like many people, not just one. We need to change the multiplicity of the clafer likes.

  • Place the cursor on likes and press <alt>+<enter>, select Multiplicity *.

Let's give Alice a subclafer name which appears before likes.

  • Place the cursor on likes and press <shift>+<enter>.
  • Enter a clafer name -> string.
  • Press <alt>+<enter>, select Add an Initializer, type "Alice".

You can navigate among the syntactical element by pressing <ctrl>+<arrow>. Press <ctrl>+<right arrow> until you reach the end of line marker furthest to the right. Press <enter> to create an empty line after the entire clafer Alice.

Now, you can add more clafers.

  • Enter a clafer Bob : Person.

Finally, write a constraint that Alice likes Bob.

  • Create an empty line after the entire clafer Bob.
  • Type [.
  • Type Alice.likes = Bob.

Using Architecture DSL

The Architecture DSL is an extension of Clafer. Let's create a simple architecture for a simple model car.

We begin with a feature model.

  • In an empty line, press <ctrl>+<space> and select Feature Model.
  • Type CarFM, press <space> and { to add content.
  • Inside, press <ctrl>+<space> and select Feature, type DualMotor, <enter>.
  • Press <ctrl>+<space> and select Feature, type ObstacleAvoidance, <alt>+<enter>, select Make Optional, <enter>.

Next, we create a functional analysis architecture.

  • In an empty line, press <ctrl>+<space> and select Functional Analysis.
  • Type CarFAA, press <space> and { to add content.
  • Inside, press <ctrl>+<space> and select Functional Device, type LeftMotor, <ctrl>+d.
  • Rename the copy to RightMotor, <enter>.
  • Press <ctrl>+<space> and select Functional Device, type ProximitySensor, select Make Optional, <enter>.
  • Press <ctrl>+<space> and select Analysis Function, type MotionController, <enter>.
  • Press <ctrl>+<space> and select Function Connector, type obstacle, <tab>, type ProximitySensor, <tab>, type MotionController, <enter>.
  • Click on obstacle and make the connector Optional.
  • Create two connectors from the MotionController to each motor.
  • Add a constraint [some obstacle <=> some ProximitySensor].

Now, let's switch to a diagrammatic representation and inspect our functional architecture visually.

  • select Projection->E/E Architecture Diagrams.

You will see a diagram for CarFAA (there's no diagram for feature models).

  • Press Auto layout diagram in the top-left corner.

Here's the resulting model in ClaferMPS. The source code for this sample project is available in SampleProject/Project1.zip.

End Result

There are many more architectural layers (hardware, including devices, communication and power topologies, deployment of functional analysis architecture to hardware design architecture, and quality perspectives). We encourage users to study the two large case studies created by Jordan Ross highlighted in the next section.

Larger Case Studies

For details about full size power window (single and two door) and door locks case studies, see technical report and CaseStudies.zip.

Need help?